79DXXA UTC | Alldatasheet
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UNISONIC TECHNOLOGIES CO., LTD 79DXXA LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 9 Copyright © 2017 Unisonic Technologies Co., Ltd QW-R101.039.F
3 TERMINAL 1A NEGATIVE
DESCRIPTION The UTC 79DXXA series of three-terminal negative regulators is available several fixed output voltage, making them useful in a wide range of application. Each type employs internal current limiting, thermal shut-down, making it essentially indestructible. FEATURES * Output current up to 1A * -5V, -6V, -7V, -8V, -9V,-12V, -15V, -18V, -24V output voltage available * Thermal overload protection NORDERING INFORMATIO Ordering Number Pin Assignment Lead Free Halogen Free Package 1 2 3 Packing 79DXXAL-TM3-T 79DXXAG-TM3-T TO-251 G I O Tube 79DXXAL-TN3-T 79DXXAG-TN3-T TO-252 G I O Tube 79DXXAL-TN3-R 79DXXAG-TN3-R TO-252 G I O Tape Reel Note: Pin Assignment: G: GND I: Input O: Output
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-251 TO-252 05:-5V 06:-6V 07:-7V 08:-8V 09:-9V 12:-12V 15:-15V 18:-18V 24:-24V BLOCK DIAGRAM Voltage Reference Protection Circuitry GND OUTPUT INPUTRSC
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F ABSOLUTE MAXIMUM RATINGS (TA=25C) PARAMETER SYMBOL RATING UNIT Input Voltage VIN -35 V Output Current IOUT 1 A Power Dissipation PD 0.89 W Operating Temperature T OPR 0 ~ +125 C Storage Temperature T STG -65 ~ +150 C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATING UNIT Junction to Ambient θJA 112 C/W Junction to Case θJC 12.5 C/W ELECTRICAL CHARACTERISTICS (IOUT=0.5A, TJ=0C~125C, CI=2.2uF, CO=1uF, unless otherwise specified) For UTC 79D05A (VIN=-10V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1A T J=25C 2 V VIN=-7V~-25V T J=25C 10 100 mVLine Regulation VOUT VIN=-8V~-12V T J=25C 5 60 mV IOUT=5mA~1A T J=25C 10 100 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 3 50 mV Quiescent Current I Q T J=25C 3 6 mA IOUT=5mA~1A 0.05 0.5 mAQuiescent Current Change IQ VIN=-7V~-25V 0.1 1.3 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 100 μV Output Voltage Drift VOUT/TI OUT=5mA -0.4 mV/ C Ripple Rejection RR V IN=-8V~-18V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A For UTC 79D06A (VIN=-11V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1.0A T J=25C 2 V VIN=-8V~-25V T J=25C 10 120 mVLine Regulation VOUT VIN=-9V~-13V T J=25C 5 60 mV IOUT=5mA~1A T J=25C 10 120 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 3 60 mV Quiescent Current I Q T J=25C 3 6 mA IOUT=5mA~1A 0.05 0.5 mAQuiescent Current Change IQ VIN=-8V~-25V 0.1 1.3 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 130 μV Output Voltage Drift VOUT/TI OUT=5mA -0.5 mV/ C Ripple Rejection RR V IN=-9V~-19V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F ELECTRICAL CHARACTERISTICS(Cont.) For UTC 79D07A (VIN=-13V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1A T J=25C 2 V VIN=-10.5V~-25V T J=25C 10 140 mVLine Regulation VOUT VIN=-11.5V~-17V T J=25C 5 70 mV IOUT=5mA~1A T J=25C 12 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 4 m V Quiescent Current I Q T J=25C 3 6 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 175 μV Output Voltage Drift VOUT/TI OUT=5mA -0.6 mV/ C Ripple Rejection RR V IN=-11.5V~-21.5V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A For UTC 79D08A (VIN=-14V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1A T J=25C 2 V VIN=-10.5V~-25V T J=25C 10 160 mVLine Regulation VOUT VIN=-11.5V~-17V T J=25C 5 80 mV IOUT=5mA~1A T J=25C 12 160 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 4 80 mV Quiescent Current I Q T J=25C 3 6 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 175 μV Output Voltage Drift VOUT/TI OUT=5mA -0.6 mV/ C Ripple Rejection RR V IN=-11.5V~-21.5V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A For UTC 79D09A (VIN=-15V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1A T J=25C 2 V VIN=-11.5V~-26V T J=25C 10 180 mVLine Regulation VOUT VIN=-12V~-18V T J=25C 5 90 mV IOUT=5mA~1A T J=25C 12 180 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 4 90 mV Quiescent Current I Q T J=25C 3 6 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 175 μV Output Voltage Drift VOUT/TI OUT=5mA -0.6 mV/C Ripple Rejection RR V IN=-12.5V~-22.5V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F ELECTRICAL CHARACTERISTICS(Cont.) For UTC 79D12A (VIN=-18V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1A T J=25C 2 V VIN =-14.5V~-30V T J=25C 12 240 mVLine Regulation VOUT VIN =-16V~-22V T J=25C 6 120 mV IOUT=5mA~1A T J=25C 12 240 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 4 120 mV Quiescent Current I Q T J=25C 3 6 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 200 μV Output Voltage Drift VOUT/T I OUT=5mA -0.8 mV/ C Ripple Rejection RR V IN=-15V~-25V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A For UTC 79D15A (VIN=-23V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1A T J=25C 2 V VIN=-17.5V~-30V T J=25C 12 300 mVLine Regulation VOUT VIN=-20V~-26V T J=25C 6 150 mV IOUT=5mA~1A T J=25C 12 300 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 4 150 mV Quiescent Current I Q T J=25C 3 6 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 250 μV Output Voltage Drift VOUT/T I OUT=5mA -0.9 mV/ C Ripple Rejection RR V IN=-18.5V~-28.5V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F ELECTRICAL CHARACTERISTICS(Cont.) For UTC 79D18A (VIN=-27V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Dropout Voltage V D I OUT=1A T J=25C 2 V VIN =-21V~-33V T J=25C 15 360 mVLine Regulation VOUT VIN =-24V~-30V T J=25C 8 180 mV IOUT=5mA~1A T J=25C 15 360 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 5.0 180 mV Quiescent Current I Q T J=25C 3 6 mA IOUT=5mA~1A 0.05 0.5 mAQuiescent Current Change IQ VIN=-21V~-32V 0.1 1.0 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 300 V Output Voltage Drift VOUT/T I OUT=5mA -1 mV/C Ripple Rejection RR V IN=-22V~-32V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A For UTC 79D24A (VIN=-33V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT T J=25C -23.04 -24 -24.96 V Output Voltage V OUT VIN=-27V~-38V, IOUT=5mA~1A -22.80 -25.20 V Dropout Voltage V D I OUT=1.0A T J=25C 2 V VIN=-27V~-38V T J=25C 15 480 mVLine Regulation VOUT VIN=-30V~-36V T J=25C 8 240 mV IOUT=5mA~1A T J=25C 15 480 mVLoad Regulation VOUT IOUT=250mA~750mA T J=25C 5.0 240 mV Quiescent Current I Q T J=25C 3 6 mA IOUT=5mA~1A 0.05 0.5 mAQuiescent Current Change IQ VIN =-27V~-38V 0.1 1.0 mA Output Noise Voltage eN f=10Hz~100kHz T A=25C 400 V Output Voltage Drift VOUT/TI OUT=5mA -1 mV/C Ripple Rejection RR V IN =-28V~-38V, f=120Hz 54 60 dB Peak Current I PEAK T J=25C 2.2 A Note: 1. Thermal resistance test board.
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 7 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F APPLICATION CIRCUITS UTC 79DXXA 3 CO 1 μF CI 2.2 μF -VIN -VOUT Fig.1 Fixed output regulator UTC 79DXXA CI 2.2 F
2.5 F CO
-VOUT-VIN Fig.2 Circuit for increasing output voltage
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 8 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F TYPICAL CHARACTERISTICS Time (2ms/div) 01 0 2 0 Time (4ms/div) Dynamic Loading Test CH1: 1V/div CH2: 10mVdiv CH3: 1A/div Dynamic Loading Test 20 40 CH1 CH2 CH1 CH2 VIN=VO+5V, Io=0mA~1A, CIN=10uF, COUT=10uF, Ch1=VIN, Ch2=VOUT, Ch3=IO CH3 CH3 VIN=VO+5V, Io=0mA~1A, CIN=10uF, COUT=10uF, Ch1=VIN, Ch2=VOUT, Ch3=IO CH1: 1V/div CH2: 10mVdiv CH3: 1A/div Time (10ms/div) 0 50 100 Power Supply Rejection CH1: 500mV/div CH2: 10mVdiv CH1 CH2 VIN=VO+5V, Vip(rms)= 0.5V, IO=10mA, CIN=10uF, CO=10uF, f=120Hz, Ch1=VIN, Ch2=VOUT Time (10ms/div) 05 0 1 00 Power Supply Rejection CH1: 500mV/div CH2: 10mVdiv CH1 CH2 VIN=VO+5V, Vip(rms)= 0.5V, IO=10mA, CIN=10uF, CO=10uF, f=120Hz, Ch1=VIN, Ch2=VOUT VOUT vs. Temperature VOUT (V) Temperature ( ) -12.15 5030 -12.1 -12.05 -12 -11.95 -11.9 -11.85 -11.8 70 90 110 130 150 VIN=-14.5V, IOUT=-5mA VOUT vs. Temperature VOUT (V) Temperature ( ) -15.3 4020 -15.2 -15.1 -15 -14.9 -14.8 -14.7 60 80 100 120 160 140 VIN=-20V, IOUT=10mA
79DXXA LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 9 of 9 www.unisonic.com.tw Q W - R 1 0 1 - 0 3 9 . F TYPICAL CHARACTERISTICS VOUT (-10V/0mA) vs. Temperature Temperature (℃) 80100 25 -5.06 304060120140160 -5.05 -5.04 -5.03 -5.02 -5.01 -4.99 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. UTC reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof.